<template>
  <div v-if="isExternal" :style="styleExternalIcon" class="svg-external-icon svg-icon"></div>
  <svg v-else :class="svgClass" aria-hidden="true">
    <use :xlink:href="iconName" />
  </svg>
</template>
<script lang="ts">
import { defineComponent } from 'vue'

export default defineComponent({
  name: 'SvgIcon',
  props: {
    iconClass: {
      type: String,
      required: true,
    },
    className: {
      type: String,
      default: '',
    },
  },
  setup(props) {
    const isExternal = /^(https?:|mailto:|tel:)/.test(props.iconClass)
    const iconName = `#icon-${props.iconClass}`
    const svgClass = props.className ? `svg-icon ${props.className}` : 'svg-icon '
    const styleExternalIcon = () => {
      return {
        mask: `url(${props.iconClass}) no-repeat 50% 50%`,
        '-webkit-mask': `url(${props.iconClass}) no-repeat 50% 50%`,
      }
    }
    return {
      isExternal,
      iconName,
      svgClass,
      styleExternalIcon,
    }
  },
})
</script>

<style lang="postcss" scoped>
.svg-icon {
  width: 1em;
  height: 1em;
  overflow: hidden;
  vertical-align: -0.15em;
  fill: currentColor;
}

.svg-external-icon {
  display: inline-block;
  background-color: currentColor;
  mask-size: cover !important;
}
</style>
